/**
 * Copyright 2012 ibiblio
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.ibiblio.terasaur.item

import org.ibiblio.terasaur.item.Item
import org.ibiblio.terasaur.user.User
import org.codehaus.groovy.grails.plugins.springsecurity.SpringSecurityUtils
import org.joda.time.DateTime
import org.ibiblio.terasaur.search.DateHelper

class PermissionHelper {
    /**
     * Returns true if user is assigned the admin role, false otherwise.
     * @return
     */
    public boolean isAdmin(User user) {
        if (user?.authorities.find { it.authority == 'ROLE_ADMIN' } != null) {
            return true
        } else {
            return false
        }
    }

    /**
     * Check item status and determine whether it is publicly accessible.
     *
     * @param item
     * @return
     */
    public boolean isPublic(Item item) {
        boolean isPublic = false
        if (item) {
            DateTime now = DateHelper.now()
            if (!item.deleted && !item.published.isAfter(now)) {
                isPublic = true
            }
        }
        return isPublic
    }
}
